<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

    0 --- 1 --- eat
    1 --- 2 --- drink
    2 --- 3 --- football
    3 --- 4 --- basketball

    名称：lory
    密码：12
    email：lory@123.com
    名称：zhangsan
    密码：123
    email：lory@dasdasda.com
    名称：lisi
    密码：124
    email：lory@1231432324.com
    名称：heima
    密码：1256
    email：lory@22123.com

#遍历map
<h1>遍历map集合</h1>
<h2>遍历值</h2>
    val1
    val2
    val3
    val4
<h2>遍历键值对</h2>
    key1 --- val1
    key2 --- val2
    key3 --- val3
    key4 --- val4
</body>
</html>